/*****************首页登录样式*****************/
#login_box{
    height: 170px;
    width: 240px;
    border: 1px solid gray;
    position: relative;
    top: 100px;
    left: 40%;
}
.login-input{
    margin: 30px 20px 0 20px;
}
.login-input label{
    display: inline-block;
    width: 50px;
    text-align: right;
}
.operate{
    text-align: center;
}
.operate input{
    height: 24px;
    width: 50px;
    border: 0;
    font-weight: bold;
}